Cell phone



FIG. 1 is a left side elevation view of the cell phone showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof; and,

FIG. 4 is a right side elevation view thereof.

The broken line showing of environmental structures is for illustrative purposes only and forms no part of the claimed design. 

I claim the ornamental design for a cell phone, as shown and described. 